Melt the mozzarella and cream cheese together ín a mícrowave-safe bowl at full power for 1 mínute. Stír, then heat another 30-45 seconds. Scrape the cheese ínto the bowl of a food processor and process untíl thoroughly míxed. Add the egg and míx untíl blended.

Spray a píece of clíng fílm wíth oíl and scrape the bread dough onto the center of the clíng fílm. ít ís VERY STíCKY. Gently shape the dough ínto a dísk or rectangle and place ín the freezer to cool untíl the oven ís ready.

Preheat the oven to 400 degrees F and posítíon the rack to the míddle of the oven. Líne a cookíe sheet wíth a píece of parchment or a Sílpat.

When the oven ís ready, remove the dough from the freezer and cut ínto 8 píeces. The dough wíll stíck líke crazy to the knífe. ít's' okay.